JPS5894875U

JPS5894875U - fuel injector

Info

Publication number: JPS5894875U
Application number: JP19115381U
Authority: JP
Inventors: 享木村
Original assignee: Nissan Motor Co Ltd
Current assignee: Nissan Motor Co Ltd
Priority date: 1981-12-22
Filing date: 1981-12-22
Publication date: 1983-06-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来（特公昭５４−４４４４号公報）の燃料噴
射装置を示す断面図、第２図はこの考案の一実施例にか
かる燃料噴射装置を吸込管とともに示す断面概略図、第
３図は第２図の燃料噴射装置の要部を示す断面図、第４
図は第２図の燃料噴射装置の補助ノズル体を一部破断し
て示す斜視図、第５図ａは第４図の補助ノズル体の底壁
を詳示する平面図、第５図すは第４図の補助ノズル体の
底壁を詳示する部分断面−１第６図ａは第４図の補助ノ
ズル体に形成された溝の一態様を示す断面図、第６図す
は第４図の複動ノズル体に形成された溝の他の態様を示
す断面図、第６図Ｃは第４図の補助ノズル体に形成され
た溝のさらに他の態様を示す断面図、第７図ａはこの考
案の他の実施例にか−かる燃料噴射装置の補助ノズル体
の底壁周辺を詳示する正面図、第７図すは第７図ａの補
助ノズル体の底壁周辺を詳示する断面図である。３３・・・補助空気取大口（補助空気源）、３５・・・
燃料噴射装置、３６・・・燃料噴射器、３８・・・端面
、３８ａ・・・ノズル、３９・・・補助ノズル体、３９
ｂ・・・ノズル、４２・・・対向面、４４・・・溝、４
５・・・空気誘導路。ｇ　　　　　’２　　３ｆｃｒｂノ４４　　　　　　　　　４２／　　　　　　　　　　　　　　　。三Ｍシ　　　　　　　　　　　ｙ３１？ｃ　　　　　　　　　　　劣ｂFig. 1 is a sectional view showing a conventional fuel injection device (Japanese Patent Publication No. 54-4444), Fig. 2 is a schematic sectional view showing a fuel injection device according to an embodiment of this invention together with a suction pipe, and Fig. 3 is a cross-sectional view showing the main parts of the fuel injection device in FIG. 2, and FIG.
The figure is a partially cutaway perspective view of the auxiliary nozzle body of the fuel injection device of FIG. 2, FIG. 5a is a plan view showing the bottom wall of the auxiliary nozzle body of FIG. Partial cross section showing the bottom wall of the auxiliary nozzle body in FIG. 4 - 1 FIG. 6C is a sectional view showing another embodiment of the groove formed in the double-acting nozzle body of FIG. 4; FIG. 7C is a sectional view showing still another embodiment of the groove formed in the auxiliary nozzle body of FIG. FIG. 7a is a front view showing the vicinity of the bottom wall of the auxiliary nozzle body of a fuel injection device according to another embodiment of the invention, and FIG. FIG. 33... Auxiliary air intake large opening (auxiliary air source), 35...
Fuel injection device, 36...Fuel injector, 38...End face, 38a...Nozzle, 39...Auxiliary nozzle body, 39
b... Nozzle, 42... Opposing surface, 44... Groove, 4
5...Air taxiway. g'2 3fc rbノ44 42/. Three Mshi y 31? c inferior b

Claims

[Scope of utility model registration request]

A fuel injection device comprising: a fuel injector having an end face formed with a nozzle for ejecting fuel; and an auxiliary nozzle body having a nozzle coaxial with the nozzle formed on an opposing face abutting the end face, comprising: A fuel injection device characterized in that a groove extending substantially radially from the nozzle is formed in the end surface or the opposing surface, and the groove, together with the end surface and the opposing surface, defines an air guide path that communicates with an auxiliary air source. Device.